.warpper {
  &__left {
    background-color: #001529;
    color: #ffffff;
    height: calc(100vh);
  }
  &__right {
    height: calc(100vh);
    background-color: #efefef;
    overflow: auto;
    &__content {
      position: relative;
      padding: 20px;
    }
  }
}
